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Annotated bibliography
01/10/2021
Probability is ____. (Points : 2) the likelihood that some event will occur
always expressed as a value between 0 and 1
is the ratio of the number of favorable cases to the total number of possible cases
all of the above
Question 2.2. The sum of the probability that an event will occur and the probability that it will not occur is ____. (Points : 2) different for each case
equal to P(E)
equal to P(E)-1
equal to 1
Question 3.3. The probability that an event will occur is written as follows (Points : 2) P=1
P(E)
P(E-1)
P(not E)
Question 4.4. Probability values are (Points : 2) always more than 1.0
always positive numbers
only calculated for one-tailed tests
always expressed as a fraction
Question 5.5. What proportion of a normal distribution is located in the tale beyond a Z score of +1.00? (Points : 2) 0.8413
0.1587
0.168
0.3174
Question 6.6. A random sample requires that (Points : 2) every individual has an equal chance of being selected
individuals are selected from a convenience group
no one knows how many people are in the population
both a and b are correct
Question 7.7. For a population with a mean of 80 and a standard deviation of 10, what is the Z score corresponding to an individual score of 95? (Points : 2) +0.25
+0.50
+0.75
+1.50
Question 8.8. If the researcher’s alternative hypothesis stated, “females in this test will score higher than males” ____. (Points : 2) this would be a two-tailed test
it would be too early to make that statement
this would be a null hypothesis
this would be a one-tailed test
Question 9.9. If the null hypothesis stated that Group A results would be the same as Group B, would this represent a one-tailed or two-tailed test? (Points : 2) One-tailed
Two-tailed
it could be either one depending on the groups
cannot determine without additional information
Question 10.10. For a population with a mean of 80 and a standard deviation of 12, what is the Z score corresponding to an individual score of 92? (Points : 2) +0.50
+1.0
+1.20
+12.00
Truly appreciate the things your company does. It truly helps people with certain deadlines and a hectic life they have.
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